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Hitachi E-U Series Instruction Manual page 11

Vortex blower

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4. Installation Piping
Install a filter if
foreign objects, such
as granules, dirt or
threads
will
be
present and could
be inhaled into the
Vortex Blower.
(NOTE: Make the
filter area as large
as
possible
to
minimize
pressure
resistance).
Flange Connection
(a) Models; VB-001SE-U to 003SE-U
The flange size of Vortex
Blower is shown on the
table to the right. Please
see the illustration below
(Fig. 3.4) detailing how to
properly connect the hose to
the Vortex Blower.
• Use lightweight, flexible pipes
if possible.
• If steel pipes are used, install
a supporting stand to suspend
the pipe and prevent the pipe
from
falling
onto
suction/discharge port.
• Align the centers of the pipe
correctly.
Thread hole for pressure measurement
PF3/8
larger. (NOTE: There are 2" holes on
either side of the silencer).
φ
Flange
(with no thread)
Band
(Supplied by customer)
Hose
(Supplied by customer)
Fig. 3.4 Pipe connection
- 11 -
Install a pressure gauge in
order to check the maximum
operating
Mount the pressure gauge in
one of the two thread holes
the
provided
measurement on the left and
right sides of silencer.
for
model
VB-004(S)E-U
Install the Vortex Blower so that
the unit is in proper contact with
the floor.
floor.
Flange Connection Sizes
A
MODEL
VB-001SE-U
VB-002SE-U
VB-003SE-U
static
pressure.
for
pressure
or
Bolt it firmly to the
φA
φ1 inn. (φ25.5mm)
φ1 1/4 inn. (φ32.5mm)
φ1 1/2 inn. (φ40.5mm)

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